... video playback simultaneouslyKindly GUI interfaceSupport 8pcs HDDSupport picture shoot,audio talk-back,sound broadcasting,alarm linkage Support remote control,mouse and client ... InterfaceRJ45 Port,10M/100M/1000M self-adjustable Ethernet InterfaceUSB Interface2×USB 2.0NetworkProtocolTCP/IP,UDP,RTP/RTCP/RTSP,FTP,Telnet,NTP ... *498.5mm(W*H*D) H.264 16 Channel network digital video server